AIRPLANE
OPERATIONS
MANUAL
GROUND SERVICING
TEMPORARY REVISION 41.1
1-12-60
Page
11
Code
01
Copyright © by Embraer. Refer to cover page for details.
AOM-145/1114
ATA
EICAS
MESSAGE
or
CONDITION
LOCATION PROCEDURE
27
Directional
Trim
Locked
(Yaw trim
surface is
locked at
the RH
position)
(Transitory
condition of
the Yaw
Trim
electrical
circuit)
Yaw Trim
Pressurize the hydraulic system.
Do the operational check of the yaw
trim:
Move the YAW TRIM switch to
the LEFT position.
On the EICAS display, the arrow
of the YAW TRIM indication
moves to the left.
NOTE: The system cycle is
limited in 3 seconds, after this
time you must to release the
switch and move it again to get
another cycle.
Release the YAW TRIM switch, it
goes to neutral position by itself.
On the EICAS display, the arrow
of the YAW TRIM indication
remains at last position.
Move the YAW TRIM switch to
the RIGHT position.
On the EICAS display, the arrow
of the YAW TRIM indication goes
from LEFT to RIGHT position.
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